<?php
echo <<<ETO
<nav class="navbar navbar-default navbar-fixed-top">
      <div class="container">
        <div class="navbar-header">
          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="navbar-brand" href="#">后台管理</a>
        </div>
        <div id="navbar" class="navbar-collapse collapse">
          <ul class="nav navbar-nav">
              <li><a href="main.php">首页</a></li>
              <li><a href="goodslist.php">商品管理</a></li>
              <li><a href="userlist.php">用户管理</a></li>
              <!--            <li class="active"><a href="articlelist.php">文章管理</a></li>-->
              <!--            <li><a href="advlist.php">广告管理</a></li>-->
              <li><a href="orderlist.php">订单管理</a></li>
          </ul>
          <ul class="nav navbar-nav navbar-right">
            <li class="active"><a href="../index.php">进入前台 <span class="sr-only">(current)</span></a></li>
          </ul>
        </div><!--/.nav-collapse -->
      </div>
    </nav>
ETO;

